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Showing 1–18 of 18 results
Advanced filters: Author: Patrick M. Crill Clear advanced filters

  • Optimized infrared hyperspectral imaging can now detect methane gradients on a sub-m2 scale. This can facilitate remote assessment of methane sources and sinks to improve understanding of the cycling of this important greenhouse gas.

    • Magnus Gålfalk
    • Göran Olofsson
    • David Bastviken
    Research
    Nature Climate Change
    Volume: 6, P: 426-430

  • Predicting the fate of carbon in peatlands relies on assumptions of behaviour in response to temperature. Here, the authors show that the temperature dependency of respiratory carbon losses shift strongly over day-night cycles, an overlooked facet causing bias in peatland carbon cycle simulations.

    • Järvi Järveoja
    • Mats B. Nilsson
    • Matthias Peichl
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-9

  • How much methane will be emitted from the boreal-Arctic region under climate change is not well constrained. Here the authors show that accounting for distinct wetland and lake classes leads to lower estimates of current methane loss as some classes emit low amounts of methane.

    • McKenzie Kuhn
    • David Olefeldt
    • Zhen Zhang
    Research
    Nature Climate Change
    Volume: 15, P: 986-991

  • Submarine permafrost thaw in the Arctic has been suggested as a trigger for the release of large quantities of methane to the water column, and subsequently the atmosphere — with important implications for global warming. Now research shows that microbial oxidation of methane at the thaw front can effectively prevent its release.

    • Brett F. Thornton
    • Patrick Crill
    News & Views
    Nature Climate Change
    Volume: 5, P: 723-724

  • Microbes drive the Earth’s biogeochemical cycles. Here, Li et al. present a framework for integrating genome-inferred microbial kinetic traits into ecosystem mechanistic models, and use it to benchmark predictions against observed greenhouse gas emissions at an Arctic wetland.

    • Zhen Li
    • William J. Riley
    • Eoin L. Brodie
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-11

  • Arctic lakes are strong and increasing sources of atmospheric methane, but extreme conditions and limited observations hinder robust understanding. Here the authors show that microbes in the middle of Arctic lakes have elevated methane producing potential, and are poised to release even more in the future.

    • Joanne B. Emerson
    • Ruth K. Varner
    • Virginia I. Rich
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-10

  • The microbes responsible for releasing the potent greenhouse gas methane from thawing permafrost remain largely unknown. Mondav and Woodcroft et al. investigate methane flux across a thaw gradient in Sweden and recover a near-complete genome of the dominant methanogen Candidatus ‘Methanoflorens stordalenmirensis’.

    • Rhiannon Mondav
    • Ben J. Woodcroft
    • Gene W. Tyson
    Research
    Nature Communications
    Volume: 5, P: 1-7

  • Winter warming in the Arctic will increase the CO2 flux from soils. A pan-Arctic analysis shows a current loss of 1,662 TgC per year over the winter, exceeding estimated carbon uptake in the growing season; projections suggest a 17% increase under RCP 4.5 and a 41% increase under RCP 8.5 by 2100.

    • Susan M. Natali
    • Jennifer D. Watts
    • Donatella Zona
    Research
    Nature Climate Change
    Volume: 9, P: 852-857

  • In anticipation of the IPCC's Sixth Assessment Report we look back at our evolving understanding of atmospheric CH4. Though sources, sinks, and atmospheric burden are now well known, apportionment between the myriad sources and sinks, and forecasting natural emissions, remains a challenge.

    • Patrick M. Crill
    • Brett F. Thornton
    Comments & Opinion
    Nature Climate Change
    Volume: 7, P: 678-680

  • The abundance of key microbial lineages can be used to predict atmospherically relevant patterns in methane isotopes and the proportion of carbon metabolized to methane during permafrost thaw, suggesting that microbial ecology may be important in ecosystem-scale responses to global change.

    • Carmody K. McCalley
    • Ben J. Woodcroft
    • Scott R. Saleska
    Research
    Nature
    Volume: 514, P: 478-481

  • The recovery of viral populations from peatland soils across a permafrost thaw gradient provides insights into soil viral diversity, their hosts and the potential impacts on carbon cycling in this environment.

    • Joanne B. Emerson
    • Simon Roux
    • Matthew B. Sullivan
    ResearchOpen Access
    Nature Microbiology
    Volume: 3, P: 870-880